ZtjJP UddlmZddlZddlZddlZddlZddlZddlmZ ddl m Z m Z m Z mZmZmZddlmZmZmZmZmZddlmZddlmZdd lmZmZdd lmZe rdd lm Z gd Z!dJdZ"e e#ee#e e#fge$fZ%e dZ& ddhZ'hdZ(Gdde)Z*Gdde)Z+Gdde,Z-GddeZ.dKdZ/dLd!Z0 dMdNd(Z1d)d*d+ej2ej2ej3ej2d,d-Z4d.e5d/<dOd7Z6dPd9Z7dQd<Z8dRd>Z9dSdAZ:ej;dTdBZdUdGZ?dVdIZ@dS)W) annotationsN)Set) TYPE_CHECKINGCallableLiteral TypedDictUnioncast) MarkerAtom MarkerListOpValueVariable) parse_marker)ParserSyntaxError)InvalidSpecifier Specifiercanonicalize_name)Mapping) EnvironmentEvaluateContext InvalidMarkerMarkerUndefinedComparisonUndefinedEnvironmentNamedefault_environmentreturn list[str]ctSN)__all__O/var/www/html/CA-Chatbot/venv/lib/python3.11/site-packages/packaging/markers.py__dir__r'#s Nr%)metadata lock_file requirementextrasdependency_groups>python_versionplatform_releasepython_full_versionimplementation_versionceZdZdZdS)rzRaised when attempting to create a :class:`Marker` from invalid input. This error indicates that the given marker string does not conform to the :ref:`specification of dependency specifiers `. N__name__ __module__ __qualname____doc__r$r%r&rr=sr%rceZdZdZdS)rzRaised when evaluating an unsupported marker comparison. This can happen when marker values are compared as versions but do not conform to the :ref:`specification of version specifiers `. Nr2r$r%r&rrEsr%rceZdZdZdS)raRaised when evaluating a marker that references a missing environment key. Subclasses :class:`KeyError` so that code catching the bare ``KeyError`` that a missing environment lookup historically produced keeps working. .. versionchanged:: 26.3 Now subclasses :class:`KeyError` (was :class:`ValueError`) and is raised by :meth:`Marker.evaluate` for missing environment keys, where a bare ``KeyError`` was raised before. Nr2r$r%r&rrNs    r%rceZdZUdZded< ded< ded< ded< ded< ded< ded < ded < ded < ded < ded <dS)rz A dictionary that represents a Python environment as captured by :func:`default_environment`. All fields are required. strimplementation_namer0os_nameplatform_machiner.platform_systemplatform_versionr/platform_python_implementationr- sys_platformN)r3r4r5r6__annotations__r$r%r&rr[s > LLL     ('''9r%rresultMarkerList | MarkerAtom | strct|tr d|DSt|ts|S|\}}}t|trD|jdkr9t|t r$t |j}t |}nt|trD|jdkr9t|t r$t |j}t |}nYt|trD|jtvr6t|t r!t t |j}|||fS)Nc,g|]}t|Sr$_normalize_extras.0rs r& z%_normalize_extras..s!555!!$$555r%extra) isinstancelisttuplervaluerrMARKERS_ALLOWING_SET)rClhsoprhsnormalized_extras r&rHrHs?&$655f5555 fe $ $ LCS#x  2SY'%9%9je>T>T%9,SY77$%% C " "2syG';'; 3PU@V@V';,SY77$%%3!! 2 I- - - sE " " .%ci0011 C<r%resultsr cd|DS)z! Normalize extra values. c,g|]}t|Sr$rGrIs r&rLz+_normalize_extra_values..s! 2 2 2Q a 2 2 2r%r$)rWs r&_normalize_extra_valuesrZs 3 2' 2 2 22r%Tmarkerlist[str] | MarkerAtom | strfirst bool | Noner:ct|tttfsJt|trLt |dkr9t|dttfrt |d|St|tr>d|D}|rd|Sdd|zdzSt|trdd|DS|S) Nr rr]c38K|]}t|dVdS)Fr`N)_format_markerrJms r& z!_format_marker..s/@@A///@@@@@@r% ()c6g|]}|Sr$) serializercs r&rLz"_format_marker..s 7771777r%)rNrOrPr:lenrbjoin)r[r]inners r&rbrbs ftUC0 1 111 1 64  6 KK1   vay4- 0 0 fQiu5555&$ @@@@@  /88E?? "%(3. . 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The values are derived from process-constant data (the running interpreter and the host platform), so this is cached and built only once. The result is shared between callers and must never be mutated; :func:`default_environment` returns a fresh copy. rN) r;r0r<r=r.r>r?r/r@r-rA)rsysimplementationrnameosplatformmachinereleasesystemr-python_implementationrlpython_version_tuple)iverr;s r&_cached_default_environmentrRs  2 : ; ;D,12"&7$,..$,..#?,,$,..'688*2*H*J*J((8#@#B#B2A2#FGG    r%cTtdttS)ayReturn the default marker environment for the current Python process. This is the base environment used by :meth:`Marker.evaluate`. A fresh copy is returned on every call so callers may freely mutate the result; a shallow copy suffices because all values are immutable strings. .. versionchanged:: 26.3 The environment is computed once per process and cached, since it is derived from process-constant data. Patching ``platform``/``sys``/``os`` after the first call has no effect; pass an explicit ``environment`` to :meth:`Marker.evaluate` to evaluate against different values. r)r dictrr$r%r&rrls#  t$?$A$ABB C CCr%ceZdZdZdZddZed d Zd!d Zd!d Z d"dZ d#dZ d!dZ d$dZ d%dZd%dZ d&d'dZdS)(raRepresents a parsed dependency marker expression. Marker expressions are parsed according to the :ref:`specification of dependency specifiers `. :param marker: The string representation of a marker expression. :raises InvalidMarker: If ``marker`` cannot be parsed. Instances are safe to serialize with :mod:`pickle`. They use a stable format so the same pickle can be loaded in future packaging releases. .. versionchanged:: 26.2 Added a stable pickle format. Pickles created with packaging 26.2+ can be unpickled with future releases. Backward compatibility with pickles from packaging < 26.2 is supported but may be removed in a future release. )_markersr[r:rNonecg|_ tt||_dS#t$r"}t t ||d}~wwxYwr")rrZ _parse_markerrrr:)selfr[es r&__init__zMarker.__init__sb%'  /3M&4I4IJJDMMM"! / / /A''Q . /s!, AAArr c>||}||_|S)zCreate a Marker instance from a pre-parsed marker tree. 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